#news_content {
    width: 60%;
    margin: 0 auto;
    margin-bottom: 100px;
}

.news_title {
    width: 100%;
    margin: 20px auto;
    text-align: center;
    font-weight: normal;
    color: #333;
}

.news_cover {
    width: 100%;
}

.news_cover img {
    width: 100%;
    margin: 0 auto;
}

.news_words {
    color: #555;
    padding: 20px;
    border-left: 2px solid #c4c4c4;
    border-right: 2px solid #c4c4c4;
}

@media screen and (max-width: 1086px) {
    .nav_wrap {
        width: 100%
    }
    .btn {
        margin-right: 20px;
    }
}

@media screen and (max-width: 610px) {
    .btn {
        display: none;
    }
    #news_content {
        width: 100%;
    }
    .news_title {
        text-align: left;
        margin-left: 20px;
    }
}